Hi Jakub, I should have pinged you, I see you recently touched that code.
FX > Le 18 août 2023 à 21:07, FX Coudert <fxcoud...@gmail.com> a écrit : > > Hello, > > On the WIP aarch64-darwin port of GCC > (https://github.com/iains/gcc-darwin-arm64), there are some C++ testsuite > failures which are due to the following: > > 1. The testsuite check_effective_target_has_q_floating_suffix check tries to > compile the code "float dummy = 1.0q;” to determine if the q suffix is > allowed on floating-point types. > > 2. The check should pass on aarch64-darwin, and indeed the code compiles, > because the q suffix matches the _Float128 type. > > 3. However, a warning is emitted which makes the test fail: > > a.cpp:1:15: warning: converting to 'float' from '_Float128' with greater > conversion rank > 1 | float dummy = 1.0q; > | ^~~~ > > > 4. Therefore, the expectations of the different tests fail. > > > Now, I am not sure why other targets are not affected in the same way, for > example, x86_64-linux or x86_64-darwin. Also, I am unsure: is the warning > warranted here? If so, we should adjust the check to silence warnings, or use > a cast. Or is the warning emitted in error? > > Any help would be appreciated. > > Thanks, > FX
